Bump actions/upload-artifact from 6 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build-and-upload-artifacts.yaml

@@ -78,15 +78,15 @@ jobs:
         id: upload-tagged-release-artifact
         # Only triggered by version tags that start with 'v'
         if: startsWith(github.ref, 'refs/tags/v') && startsWith(github.event.release.tag_name, 'v')
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           # Artifact is stored and downloaded as .zip archive
           name: openfairdb_${{ github.event.release.tag_name }}_${{ matrix.target }}${{ matrix.executable_suffix }}
           path: target/${{ matrix.target }}/production/openfairdb${{ matrix.executable_suffix }}
 
       - name: Upload untagged artifact
         if: steps.upload-tagged-release-artifact.outcome == 'skipped'
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           # Artifact is stored and downloaded as .zip archive
           name: openfairdb_${{ github.sha }}_${{ matrix.target }}${{ matrix.executable_suffix }}